Polyarny is a town and the administrative center of the closed administrative-territorial formation of Alexandrovsk in Murmansk Oblast, Russia, situated on the outermost western side of the Kola Bay. Population:

It was founded in 1896 and named Alexandrovsk in honor of Tsar Alexander III. Other sources, however, state that the original name was Alexandrovsk-na-Murmane , it was called so after Alexandra Fyodorovna, wife of Emperor Nicholas II, and did not become known as "Alexandrovsk" until later.